Hard Disc Drive Carrier

1. A hard disc drive carrier, comprising: a main body; a first element extending from the main body; a second element extending from the main body opposite to the first element with a hard disc disposed between the first and second elements; at least one first pad disposed on the first element; and at least one second pad disposed on the second element, wherein the first and second elements serve as rails for the hard disc drive carrier sliding in a hard disc drive bay, and when the hard disc drive carrier reaches a predetermined position in the hard disc drive bay, the first and second pads abut the hard disc drive bay to avoid vibration between the hard disc drive carrier and the hard disc drive bay; the first element has at least one first engaging portion with which the first pad engages, whereby the first pad is fixed to the first element; the first engaging portion has a first notch and a second notch adjacent to the first notch, and the first and second notches are formed on one edge of the first element; the first engaging portion is adjacent to a position where the first element joins the main body; and the first pad has a first engaging groove, a first protrusion disposed in the first engaging portion and a flat portion formed on one edge of the first engaging groove, and when the first pad engages the first engaging portion, another edge of the first engaging groove engages the first notch, the first protrusion engages the second notch and the flat portion abuts the position where the first element joins the main body.

2. The hard disc drive carrier as claimed in claim 1 , wherein the first pad engages the first engaging portion and protrudes from the first element to abut the hard disc drive bay when the hard disc drive carrier reaches the predetermined position.

3. The hard disc drive carrier as claimed in claim 1 , wherein the second element has at least one second engaging portion with which the second pad engages, whereby the second pad is fixed to the second element.

4. The hard disc drive carrier as claimed in claim 3 , wherein the second pad engages the second engaging portion and protrudes from the second element to abut the hard disc drive bay when the hard disc drive carrier reaches the predetermined position.

5. The hard disc drive carrier as claimed in claim 4 , wherein the second engaging portion has a third notch and a fourth notch adjacent to the third notch, and the third and fourth notches are formed on one edge of the second element.

6. The hard disc drive carrier as claimed in claim 4 , wherein the second pad has a second engaging groove and a second protrusion disposed in the second engaging groove, and when the second pad engages the second engaging portion, one edge of the second engaging groove engages the third notch and the second protrusion engages the fourth notch.

7. The hard disc drive carrier as claimed in claim 1 , wherein the width of the first element is larger than that of the second element.

8. The hard disc drive carrier as claimed in claim 7 , wherein the width of the first element is twice as large as that of the second element.

9. The hard disc drive carrier as claimed in claim 1 , wherein the first element is made of aluminum and formed by injection molding.

10. The hard disc drive carrier as claimed in claim 1 , wherein the second element is L-shaped with one end fixed to the main body and the other end extending from the main body.

11. The hard disc drive carrier as claimed in claim 10 , wherein the first element is fixed to one end of the second element, whereby the first element is fixed to the main body.

12. The hard disc drive carrier as claimed in claim 1 , wherein the second element is made of steel.